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How do I find out which keystore was used to sign an app?

... First, unzip the APK and extract the file /META-INF/ANDROID_.RSA (this file may also be CERT.RSA, but there should only be one .RSA file). Then issue this command: keytool -printcert -file ANDROID_.RSA You will get certificate fingerprints like t...
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Java: Multiple class declarations in one file

...ing that at most one of these is public (see JLS §7.6 ). See below for example. 9 Answers ...
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How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?

In Firefox 3, the answer is 6 per domain: as soon as a 7th XmlHttpRequest (on any tab) to the same domain is fired, it is queued until one of the other 6 finish. ...
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Use JNI instead of JNA to call native code?

...rary you will need a jni wrapper If you need a lot of memory copying. For example, you call one method which returns you a large byte buffer, you change something in it, then you need to call another method which uses this byte buffer. This would require you to copy this buffer from c to java, then ...
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Allow user to select camera or gallery for image

...ri of camera image to save. final File root = new File(Environment.getExternalStorageDirectory() + File.separator + "MyDir" + File.separator); root.mkdirs(); final String fname = Utils.getUniqueImageFilename(); final File sdImageMainDirectory = new File(root, fname); outputFileUr...
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Entity Framework - Add Navigation Property Manually

...pendent Role refers to the key properties...' – Mikl X Apr 17 '15 at 0:32 1 On #2, you might want...
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How to call C from Swift?

... Yes, you can of course interact with Apples C libraries. Here is explained how. Basically, the C types, C pointers, etc are translated into Swift objects, for example a C int in Swift is a CInt. I've build a tiny example, for another question, which can be used as a little explanation, on...
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Why are dates calculated from January 1st, 1970?

... It is the standard of Unix time. Unix time, or POSIX time, is a system for describing points in time, defined as the number of seconds elapsed since midnight proleptic Coordinated Universal Time (UTC) of January 1, 1970, not counting leap seconds...
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OnChange event handler for radio button (INPUT type=“radio”) doesn't work as one value

... @Oriol, or anyone knowledgeable, could you give an example of (1) caching outside the loop or (2) wrapper + event delegation ? – Matt Voda Feb 3 '16 at 19:13 ...
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Publish to S3 using Git?

...s3.html Download jgit.sh, rename it to jgit and put it in your path (for example $HOME/bin). Setup the .jgit config file and add the following (substituting your AWS keys): $vim ~/.jgit accesskey: aws access key secretkey: aws secret access key Note, by not specifying acl: public in the .jgit ...